Thank you all for your responses, much appreciated.
I have seen a 2003 S1 with around 20,000 miles for sale for £44k :-
https://www.carandclassic.co.uk/car/C1286004. Is this a reasonable price? What do series 2 or 3's go for?
I want to go touring with my wife, whats it like on motorwys? I went to Scotland a couple of years ago in my Lotus and hated the motorways as it is so uncomforatbale and you feel particularly vulnerable in heavy fast traffic.